208
FNCA52 TJSJ 021930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST THU JUL 2 2026
DISCUSSION
OVERALL, WEATHER SURFACE STATIONS REGISTERED WINDS NEAR OR ABOVE
THE CRITICAL VALUES, AROUND 15 TO 18 MPH WITH GUSTS UP TO 24 TO
28 MPH. MINIMUM RELATIVE HUMIDITY VALUES REMAINED ABOVE FIRE
CRITICAL THRESHOLDS SLIGHTLY HELPING TO REDUCE THE FIRE DANGER.
THE FIRE WEATHER THREAT REMAINS LOW.
PRZ014-030800-
SOUTHEAST COASTAL PLAINS-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 20 20 0 20
TEMP (24H TREND) 74 (-3) 91 (+2) 74 90
RH % (24H TREND) 87 (+3) 48 (-8) 90 50
WIND 20FT/EARLY(MPH) E 13 E 17 E 12 E 16
WIND 20FT/LATE(MPH) E 12 SE 17 NE 11 E 16
MIXING HGT(FT-AGL/MSL) 5380 4640
TRANSPORT WND (MPH) E 17 E 17
VENT RATE (KT-FT) 80700 69600
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-030800-
SOUTHERN HILLS-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 0 20
TEMP (24H TREND) 70 (-4) 88 (+3) 70 88
RH % (24H TREND) 97 (+7) 59 (-8) 98 61
WIND 20FT/EARLY(MPH) E 11 E 13 E 11 E 13
WIND 20FT/LATE(MPH) E 12 SE 13 E 11 E 13
MIXING HGT(FT-AGL/MSL) 6160 5050
TRANSPORT WND (MPH) E 16 E 15
VENT RATE (KT-FT) 86240 65650
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-030800-
NORTH COASTAL PLAINS-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 0 10
TEMP (24H TREND) 72 (-5) 91 (+1) 72 91
RH % (24H TREND) 97 (+7) 60 (-4) 98 59
WIND 20FT/EARLY(MPH) E 12 E 16 E 16 E 14
WIND 20FT/LATE(MPH) E 11 E 20 E 10 E 16
MIXING HGT(FT-AGL/MSL) 5760 4890
TRANSPORT WND (MPH) E 16 E 18
VENT RATE (KT-FT) 80640 78240
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-030800-
NORTHERN HILLS-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 40 10 40
TEMP (24H TREND) 70 (-4) 89 (+1) 71 89
RH % (24H TREND) 98 (+5) 61 (-4) 99 63
WIND 20FT/EARLY(MPH) E 11 E 13 E 13 E 10
WIND 20FT/LATE(MPH) E 9 E 17 E 8 E 13
MIXING HGT(FT-AGL/MSL) 6900 5780
TRANSPORT WND (MPH) E 13 E 13
VENT RATE (KT-FT) 75900 63580
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-030800-
WEST COAST-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS TSTMS NONE TSTMS
CHANCE PRECIP (%) 10 40 0 30
TEMP (24H TREND) 73 (-2) 92 (+1) 73 92
RH % (24H TREND) 96 (+4) 59 (-5) 98 61
WIND 20FT/EARLY(MPH) E 12 E 14 E 11 E 13
WIND 20FT/LATE(MPH) E 12 E 14 E 10 E 16
MIXING HGT(FT-AGL/MSL) 5180 4430
TRANSPORT WND (MPH) E 14 E 9
VENT RATE (KT-FT) 62160 35440
DISPERSION 5 5
DSI 5 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-030800-
EASTERN INTERIOR-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 10 40
TEMP (24H TREND) 71 (-5) 89 (+2) 71 89
RH % (24H TREND) 98 (+7) 60 (-5) 99 60
WIND 20FT/EARLY(MPH) E 12 E 14 E 12 E 16
WIND 20FT/LATE(MPH) E 13 E 14 E 12 E 14
MIXING HGT(FT-AGL/MSL) 6920 5180
TRANSPORT WND (MPH) SE 16 E 17
VENT RATE (KT-FT) 96880 77700
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-030800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 30 30 40
TEMP (24H TREND) 69 (-4) 85 (+4) 69 85
RH % (24H TREND) 99 (+4) 68 (-7) 100 67
WIND 20FT/EARLY(MPH) E 10 E 13 E 10 E 13
WIND 20FT/LATE(MPH) E 11 E 13 E 10 E 12
MIXING HGT(FT-AGL/MSL) 4680 4410
TRANSPORT WND (MPH) SE 17 SE 18
VENT RATE (KT-FT) 70200 70560
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-030800-
CENTRAL MOUNTAIN RANGE-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS NONE TSTMS
CHANCE PRECIP (%) 10 40 0 30
TEMP (24H TREND) 67 (-4) 87 (+5) 67 87
RH % (24H TREND) 98 (+4) 63 (-9) 99 66
WIND 20FT/EARLY(MPH) E 8 E 10 E 8 E 9
WIND 20FT/LATE(MPH) E 8 E 11 E 6 E 10
MIXING HGT(FT-AGL/MSL) 7740 6570
TRANSPORT WND (MPH) SE 12 E 9
VENT RATE (KT-FT) 77400 52560
DISPERSION 5 5
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-030800-
CAYEY MOUNTAIN RANGE-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER PCLDY PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 20 40
TEMP (24H TREND) 70 (-3) 84 (+2) 70 84
RH % (24H TREND) 100 (+3) 68 (-5) 100 69
WIND 20FT/EARLY(MPH) E 9 E 12 E 9 E 11
WIND 20FT/LATE(MPH) E 10 E 12 E 9 E 11
MIXING HGT(FT-AGL/MSL) 5650 4560
TRANSPORT WND (MPH) E 17 E 17
VENT RATE (KT-FT) 84750 68400
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-030800-
VIEQUES-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 20 40
TEMP (24H TREND) 78 (-1) 90 (0) 76 90
RH % (24H TREND) 86 (+2) 58 (-2) 89 57
WIND 20FT/EARLY(MPH) E 16 E 17 E 16 E 18
WIND 20FT/LATE(MPH) E 16 E 16 E 17 E 17
MIXING HGT(FT-AGL/MSL) 3400 3790
TRANSPORT WND (MPH) E 21 E 21
VENT RATE (KT-FT) 61200 68220
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-030800-
CULEBRA-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 20 30
TEMP (24H TREND) 79 (0) 91 (+1) 77 91
RH % (24H TREND) 87 (+1) 59 (-4) 92 58
WIND 20FT/EARLY(MPH) E 16 E 17 E 14 E 18
WIND 20FT/LATE(MPH) E 17 E 16 E 17 E 17
MIXING HGT(FT-AGL/MSL) 3350 3920
TRANSPORT WND (MPH) E 21 E 20
VENT RATE (KT-FT) 60300 66640
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-030800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 0 10 0 10
TEMP (24H TREND) 74 (-4) 91 (+1) 74 92
RH % (24H TREND) 87 (+3) 48 (-8) 87 53
WIND 20FT/EARLY(MPH) E 17 E 20 E 16 E 19
WIND 20FT/LATE(MPH) E 17 SE 20 E 14 E 20
MIXING HGT(FT-AGL/MSL) 5300 4610
TRANSPORT WND (MPH) E 21 E 17
VENT RATE (KT-FT) 95400 69150
DISPERSION 5 5
DSI 6 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-030800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 20
TEMP (24H TREND) 77 (-2) 89 (+1) 77 89
RH % (24H TREND) 89 (+3) 60 (-3) 91 59
WIND 20FT/EARLY(MPH) E 16 E 17 E 14 E 19
WIND 20FT/LATE(MPH) E 17 E 16 E 19 E 17
MIXING HGT(FT-AGL/MSL) 3450 3790
TRANSPORT WND (MPH) E 21 E 22
VENT RATE (KT-FT) 62100 72010
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-030800-
ST CROIX-
330 PM AST THU JUL 2 2026
TONIGHT FRI FRI NIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 10 10 20
TEMP (24H TREND) 78 (-1) 90 (+1) 77 90
RH % (24H TREND) 88 (+1) 61 (-1) 90 59
WIND 20FT/EARLY(MPH) E 17 E 17 E 14 E 18
WIND 20FT/LATE(MPH) E 17 E 14 E 17 E 18
MIXING HGT(FT-AGL/MSL) 4640 4530
TRANSPORT WND (MPH) E 21 E 24
VENT RATE (KT-FT) 83520 95130
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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